Hi, my Mum's Acer Aspire 5250-bz452 laptop running windows 7 64-bit won't start up properly. It will go past the Acer logo and then immediately to a black screen thats says:
Intel UNDI, PXE-2.0 (build 083)
Copyright (C) 1997-2000 Intel Corporation
For Atheros PCIE Ethernet Controller v2.0.2.7...